collecting Bugs
Time Limit: 10000MS
Memory Limit: 64000K
Total Submissions: 3379
Accepted: 1672
Case Time Limit: 2000MS
Special Judge
DescriptionIvan is fond of collecting. Unlike other people who collect post stamps, coins or other material stuff, he collects software bugs. When Ivan gets a new program, he classifies all po
OpenstackProjects developed and initiated by NASA and Reckspace, licensed under Apache licensingThree pillar models of cloud computingIaaS: Infrastructure as a serviceProvision of server/virtual host/network Equipment resourcesPaaS: Platform as a serviceProvides integrated system platforms such as Web middleware/databasesSaaS: Software as a serviceProvide software services such as e-mail/anti-virus/network disk———————————————————————————————————————————————————
Guide to Questions
1. Think about the premise of creating an administrator tenant. Whether the administrator tenant can be created directly.
2. Understand the relationship between tenant, user and role by operation.
3. How to implement add roles to tenant, user.
The code is unreadable and can be read from right to left.
1. Create administrator tenant, user, role
A. Creating an admin tenant
[Bash Shell] Plain text view copy code? 1 OpenStack
This chapter is directly the official document, I have not made any changes. The previous two articles to be explained have already been explained. Because the server is nervous, so I put all on a server. Everything's fine.
Compute Node
Introduction
Common Services
OpenStack Compute (Compute Node Services)
Openstacknetworking (Compute Node)
Introduction
The Compute Nodewill provide:
Hypervisor (KVM)
Nova-compute
Quantum OVS Agent
Common Ser
Article Title: Use Bugzilla on Linux to track bugs. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
For those responsible for providing support, keeping track of problems, difficulties, and revisions may be a tough task. However, there is a perfect open-source solution that can meet this requirement: bugzilla. Afte
Quickly locate complex CSS bugs on the page
Author: blank time: Document Type: original from: Blue ideal
I believe that you are familiar with common CSS bug handling, such as IE6 three pixel gap, ie5/6 doubled float-margin bug, etc. However, we often encounter complicated CSS bugs. The so-called "complicated" means that the trigger conditions are
well-known university professors are also registered members of the Small Wood Worms forum). Small wood Worms Forum Popular fire, daily online tens of thousands of people, standing on the bugs will always leave their own experience and some useful information or tool software, the administrator is also more timely to these useful information and posts to the top of the way to display, the station has a good atmosphere of communication. (More details)
Since Android3.0 introduced fragment, it has become more popular to use activity to nest some fragment, which is indeed some of the advantages fragment brings, such as: fragment allows you to separate the activity into reusable components, each Has its own lifecycle and UI, and more importantly, fragment solves the problem of switching between the activity, and realizes a lightweight and a switch, But in the official ANDROID.SUPPORT.V4 package, fragment still have some
It is not easy to be a programmer. You have to have a taste, a bit of cultivation, and a bit of realm. :)
Let's talk about the biggest bug for programmers ......
1) A person who just debuted will get a bug corrected by someone else, so he will be eager to get angry and blushing, and his neck will be rough ...... Real experts never conceal their own bugs. If someone finds a bug, they will be pleasantly surprised. Even if they find their own bug, they
collecting Bugs
Time Limit: 10000MS
Memory Limit: 64000K
Total Submissions: 3240
Accepted: 1601
Case Time Limit: 2000MS
Special Judge
DescriptionIvan is fond of collecting. Unlike other people who collect post stamps, coins or other material stuff, he collects software bugs. When Ivan gets a new program, he classifies
DescriptionIvan is fond of collecting. Unlike other people who collect post stamps, coins or other material stuff, he collects software bugs. When Ivan gets a new program, he classifies all possible bugs into n categories. Each day he discovers exactly one bug in the program and adds information about it and its category into a spreadsheet. When he finds bugs wit
Openstack compute (NOVA) Function Analysis
Openstack compute provides a cloud tool for an organization. Its functions include running Virtual Machine instances,Manage networks and control cloud access through users and projects. The most basic open-source project of openstack is named Nova. It provides software that can control the infrastructure
The third day of openstack Platform Construction
Author: xxbandy
If you have any question, please contact me[Email protected] Or 371990778(Qq)
Note: The master node is server10.example.com, and the Nova node is desktop10.example.com.
DNS resolution has been performed on each host in the lab environment
1. Manage the neutron node service and configure the network service for the NOVA-compute Node
[[Email protected] ~] # Source/root/keystonrc_ad
Use the Curl command in OpenStack to get token and access the underlying APIIn Oepnstack, access to the services provided (such as creating a virtual machine, etc.) requires first obtaining a certified token, which is a credential, obtained by sending a load authentication request to the OpenStack identity module, typically with a user name and password in the payload. When accessing the services provided a
1. Ceph integration with OpenStack (cloud-only features available for cloud hosts)
Created: Linhaifeng, Last modified: about 1 minutes ago
To deploy a cinder-volume node. Possible error during deployment (please refer to the official documentation for the deployment process) Error content: 2016-05-25 08:49:54.917 24148 TRACE Cinder runtimeerror:could Not bind to 0.0.0.0:8776 after trying for seconds Problem Analysis: runtim
Want to take a floodlight+openstack environment, floodlight Easy but OpenStack took more than 10 daysThe OpenStack configuration is difficult, so let's talk about my journey to OpenStack, and we have a little bit of a detour.1. Previously installed with the fuel tool. In my notebook to open a virtual machine as a node,
Download the official OpenStack document for installation (Icehouse Juno Kilo), according to the official documentation, download two RPM packages, for example, I want to build OpenStack Icehouse on centos6.5, need two installation packages, EPEL-RELEASE-6.8-NOARCH.RPM source package, in one is rdo-release--icehouse-4-src.rpm opened under window. Check the configuration profile inside, there are Foreman.rep
Steps for building OpenStack F Based on Ubuntu Server 12.04This article builds a dual-node architecture, which can be divided into computing (IP1) and control node (IP2)
Note:
Computing node components:
1. mysql
2. keystone
3. Nova
4. glance
5. rabbitmq
Control Node components:
1. cinder
2. dashboard
1. Modify the Host Name and static IP Address
1. vim/etc/hostnameXxctrl (Change xxctrl to the target name)
2. vim/etc/hostsIP xxctrl (Target name)
3. ho
For beginners, OpenStack manual deployment is cumbersome and takes more time to learn. But we can use deployment scripts to install OpenStack.Online there is a known as the most stupid OpenStack deployment tool called Devstack. I used to think it was quite a fool. The component is pulled straight down from GitHub, not only slow not to say, Even version compatibility may be problematic. It took 4 hours to in
CoreOS and Mirantis to drive the integration of OpenStack and Linux containersMirantis announced yesterday that it will work with CoreOS to integrate CoreOS's tectonic specifically for Linux containers in the future Mirantis launch of OpenStack.Kamesh Pemmaraju, partner marketing director at Mirantis, says the recent effort has been made to integrate OpenStack with the container management system kubernetes
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